/* 引入网络字体（Montserrat） */
@import url("http://fonts.googleapis.com/css?family=Montserrat:200,300,400,500,600,700,800,900&display=swap");


canvas{
    /* 设置混合模式：变亮 */
    mix-blend-mode: lighten;
	width:100%;
	height: 100vh;
	position: absolute;
	left:0;
	top:0;
	overflow: hidden;
	z-index: -2;
	user-select: none;
}
.happy{
	position: absolute;
	width:30%;
	height:20vh;
	left:10%;
	top:5vh;
    font-size: 3.5vw;
    color: #b6b6b6;
    /* 字体设置为上面引入的字体 */
    font-family: Montserrat;
    font-weight: 700;
    /* 字间距 */
    letter-spacing: 15px;
	text-align: center;
	line-height: 20vh;
	z-index: 0;
	user-select: none;
}
.birthday{
	text-align: center;
	line-height: 20vh;
	position: absolute;
	width:30%;
	height:20vh;
	right:10%;
	top:5vh;
    color: #b6b6b6;
    font-size: 3.5vw;
    font-weight: bold;
    text-align: center;
    letter-spacing: 10px;
	z-index: 0;
	user-select: none;
}